INDEXES OF CONDITION IN MARINE BIVALVE MOLLUSCS 



493 



TABLE 1 



LINEAR REGRESSIONS OF BIOCHEMICAL INDEXES FOR 

 NATURAL POPULATIONS* 



*An data take the form Y = MX + b. Y = % carbohydrate, carbohydrate/N 

 ratio, and % organic (100-ash) content and X = dry-meat (mg)/dry-shell (g) ratio 

 in natural populations of C. gigas (Masumoto, Masumoto, and Hibino, 1934), 

 O. edulis (Walne and Mann, 1975), and M. edulis (Dare and Edwards, 1975). 



TABLE 2 



LINEAR REGRESSIONS OF BIOCHEMICAL INDEXES 

 FOR LABORATORY POPULATIONS* 



*Y = % carbohydrate, carbohydrate/N ratio, C/N ratio, and % organic 

 (100-ash) content and X = dry-meat (mg)/dry-shell (g) ratio in populations of 

 C. gigas, O. edulis, and T. japonica maintained at 12, 15, 18, and 21°C for 19 

 weeks. Data, pooled for all temperatures, take the form Y = MX + b. 



